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25628763 = 328330187
BaseRepresentation
bin110000111000…
…1000001011011
31210020002001110
41201301001123
523030110023
62313151403
7430561266
oct141610133
953202043
1025628763
11135152a6
1286bb563
135404464
143591cdd
1523b3a93
hex187105b

25628763 has 8 divisors (see below), whose sum is σ = 34293568. Its totient is φ = 17024904.

The previous prime is 25628761. The next prime is 25628789. The reversal of 25628763 is 36782652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25628763 - 21 = 25628761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25628761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14245 + ... + 15942.

It is an arithmetic number, because the mean of its divisors is an integer number (4286696).

Almost surely, 225628763 is an apocalyptic number.

25628763 is a deficient number, since it is larger than the sum of its proper divisors (8664805).

25628763 is a wasteful number, since it uses less digits than its factorization.

25628763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30473.

The product of its digits is 120960, while the sum is 39.

The square root of 25628763 is about 5062.4858518321. The cubic root of 25628763 is about 294.8328575343.

It can be divided in two parts, 2562 and 8763, that added together give a triangular number (11325 = T150).

The spelling of 25628763 in words is "twenty-five million, six hundred twenty-eight thousand, seven hundred sixty-three".

Divisors: 1 3 283 849 30187 90561 8542921 25628763